#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
from __future__ import annotations

import json
import logging
import uuid
from unittest import mock
from unittest.mock import PropertyMock

import pytest
from azure.cosmos.cosmos_client import CosmosClient

from airflow.exceptions import AirflowException
from airflow.models import Connection
from airflow.providers.microsoft.azure.hooks.cosmos import AzureCosmosDBHook
from airflow.utils import db
from tests.test_utils.providers import get_provider_min_airflow_version


class TestAzureCosmosDbHook:

    # Set up an environment to test with
    def setup_method(self):
        # set up some test variables
        self.test_end_point = "https://test_endpoint:443"
        self.test_master_key = "magic_test_key"
        self.test_database_name = "test_database_name"
        self.test_collection_name = "test_collection_name"
        self.test_database_default = "test_database_default"
        self.test_collection_default = "test_collection_default"
        db.merge_conn(
            Connection(
                conn_id="azure_cosmos_test_key_id",
                conn_type="azure_cosmos",
                login=self.test_end_point,
                password=self.test_master_key,
                extra=json.dumps(
                    {
                        "database_name": self.test_database_default,
                        "collection_name": self.test_collection_default,
                    }
                ),
            )
        )

    @mock.patch("airflow.providers.microsoft.azure.hooks.cosmos.CosmosClient", autospec=True)
    def test_client(self, mock_cosmos):
        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        assert hook._conn is None
        assert isinstance(hook.get_conn(), CosmosClient)

    @mock.patch("airflow.providers.microsoft.azure.hooks.cosmos.CosmosClient")
    def test_create_database(self, mock_cosmos):
        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        hook.create_database(self.test_database_name)
        expected_calls = [mock.call().create_database("test_database_name")]
        mock_cosmos.assert_any_call(self.test_end_point, {"masterKey": self.test_master_key})
        mock_cosmos.assert_has_calls(expected_calls)

    @mock.patch("airflow.providers.microsoft.azure.hooks.cosmos.CosmosClient")
    def test_create_database_exception(self, mock_cosmos):
        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        with pytest.raises(AirflowException):
            hook.create_database(None)

    @mock.patch("airflow.providers.microsoft.azure.hooks.cosmos.CosmosClient")
    def test_create_container_exception(self, mock_cosmos):
        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        with pytest.raises(AirflowException):
            hook.create_collection(None)

    @mock.patch("airflow.providers.microsoft.azure.hooks.cosmos.CosmosClient")
    def test_create_container(self, mock_cosmos):
        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        hook.create_collection(self.test_collection_name, self.test_database_name)
        expected_calls = [
            mock.call()
            .get_database_client("test_database_name")
            .create_container("test_collection_name", partition_key=None)
        ]
        mock_cosmos.assert_any_call(self.test_end_point, {"masterKey": self.test_master_key})
        mock_cosmos.assert_has_calls(expected_calls)

    @mock.patch("airflow.providers.microsoft.azure.hooks.cosmos.CosmosClient")
    def test_create_container_default(self, mock_cosmos):
        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        hook.create_collection(self.test_collection_name)
        expected_calls = [
            mock.call()
            .get_database_client("test_database_name")
            .create_container("test_collection_name", partition_key=None)
        ]
        mock_cosmos.assert_any_call(self.test_end_point, {"masterKey": self.test_master_key})
        mock_cosmos.assert_has_calls(expected_calls)

    @mock.patch("airflow.providers.microsoft.azure.hooks.cosmos.CosmosClient")
    def test_upsert_document_default(self, mock_cosmos):
        test_id = str(uuid.uuid4())
        # fmt: off
        (mock_cosmos
         .return_value
         .get_database_client
         .return_value
         .get_container_client
         .return_value
         .upsert_item
         .return_value) = {'id': test_id}
        # fmt: on
        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        returned_item = hook.upsert_document({"id": test_id})
        expected_calls = [
            mock.call()
            .get_database_client("test_database_name")
            .get_container_client("test_collection_name")
            .upsert_item({"id": test_id})
        ]
        mock_cosmos.assert_any_call(self.test_end_point, {"masterKey": self.test_master_key})
        mock_cosmos.assert_has_calls(expected_calls)
        logging.getLogger().info(returned_item)
        assert returned_item["id"] == test_id

    @mock.patch("airflow.providers.microsoft.azure.hooks.cosmos.CosmosClient")
    def test_upsert_document(self, mock_cosmos):
        test_id = str(uuid.uuid4())
        # fmt: off
        (mock_cosmos
         .return_value
         .get_database_client
         .return_value
         .get_container_client
         .return_value
         .upsert_item
         .return_value) = {'id': test_id}
        # fmt: on
        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        returned_item = hook.upsert_document(
            {"data1": "somedata"},
            database_name=self.test_database_name,
            collection_name=self.test_collection_name,
            document_id=test_id,
        )

        expected_calls = [
            mock.call()
            .get_database_client("test_database_name")
            .get_container_client("test_collection_name")
            .upsert_item({"data1": "somedata", "id": test_id})
        ]

        mock_cosmos.assert_any_call(self.test_end_point, {"masterKey": self.test_master_key})
        mock_cosmos.assert_has_calls(expected_calls)
        logging.getLogger().info(returned_item)
        assert returned_item["id"] == test_id

    @mock.patch("airflow.providers.microsoft.azure.hooks.cosmos.CosmosClient")
    def test_insert_documents(self, mock_cosmos):
        test_id1 = str(uuid.uuid4())
        test_id2 = str(uuid.uuid4())
        test_id3 = str(uuid.uuid4())
        documents = [
            {"id": test_id1, "data": "data1"},
            {"id": test_id2, "data": "data2"},
            {"id": test_id3, "data": "data3"},
        ]

        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        returned_item = hook.insert_documents(documents)
        expected_calls = [
            mock.call()
            .get_database_client("test_database_name")
            .get_container_client("test_collection_name")
            .create_item({"data": "data1", "id": test_id1}),
            mock.call()
            .get_database_client("test_database_name")
            .get_container_client("test_collection_name")
            .create_item({"data": "data2", "id": test_id2}),
            mock.call()
            .get_database_client("test_database_name")
            .get_container_client("test_collection_name")
            .create_item({"data": "data3", "id": test_id3}),
        ]
        logging.getLogger().info(returned_item)
        mock_cosmos.assert_any_call(self.test_end_point, {"masterKey": self.test_master_key})
        mock_cosmos.assert_has_calls(expected_calls, any_order=True)

    @mock.patch("airflow.providers.microsoft.azure.hooks.cosmos.CosmosClient")
    def test_delete_database(self, mock_cosmos):
        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        hook.delete_database(self.test_database_name)
        expected_calls = [mock.call().delete_database("test_database_name")]
        mock_cosmos.assert_any_call(self.test_end_point, {"masterKey": self.test_master_key})
        mock_cosmos.assert_has_calls(expected_calls)

    @mock.patch("airflow.providers.microsoft.azure.hooks.cosmos.CosmosClient")
    def test_delete_database_exception(self, mock_cosmos):
        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        with pytest.raises(AirflowException):
            hook.delete_database(None)

    @mock.patch("azure.cosmos.cosmos_client.CosmosClient")
    def test_delete_container_exception(self, mock_cosmos):
        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        with pytest.raises(AirflowException):
            hook.delete_collection(None)

    @mock.patch("airflow.providers.microsoft.azure.hooks.cosmos.CosmosClient")
    def test_delete_container(self, mock_cosmos):
        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        hook.delete_collection(self.test_collection_name, self.test_database_name)
        expected_calls = [
            mock.call().get_database_client("test_database_name").delete_container("test_collection_name")
        ]
        mock_cosmos.assert_any_call(self.test_end_point, {"masterKey": self.test_master_key})
        mock_cosmos.assert_has_calls(expected_calls)

    @mock.patch("airflow.providers.microsoft.azure.hooks.cosmos.CosmosClient")
    def test_delete_container_default(self, mock_cosmos):
        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        hook.delete_collection(self.test_collection_name)
        expected_calls = [
            mock.call().get_database_client("test_database_name").delete_container("test_collection_name")
        ]
        mock_cosmos.assert_any_call(self.test_end_point, {"masterKey": self.test_master_key})
        mock_cosmos.assert_has_calls(expected_calls)

    @mock.patch("airflow.providers.microsoft.azure.hooks.cosmos.CosmosClient")
    def test_connection_success(self, mock_cosmos):
        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        hook.get_conn().list_databases.return_value = {"id": self.test_database_name}
        status, msg = hook.test_connection()
        assert status is True
        assert msg == "Successfully connected to Azure Cosmos."

    @mock.patch("airflow.providers.microsoft.azure.hooks.cosmos.CosmosClient")
    def test_connection_failure(self, mock_cosmos):
        hook = AzureCosmosDBHook(azure_cosmos_conn_id="azure_cosmos_test_key_id")
        hook.get_conn().list_databases = PropertyMock(side_effect=Exception("Authentication failed."))
        status, msg = hook.test_connection()
        assert status is False
        assert msg == "Authentication failed."

    def test_get_ui_field_behaviour_placeholders(self):
        """
        Check that ensure_prefixes decorator working properly

        Note: remove this test and the _ensure_prefixes decorator after min airflow version >= 2.5.0
        """
        assert list(AzureCosmosDBHook.get_ui_field_behaviour()["placeholders"].keys()) == [
            "login",
            "password",
            "extra__azure_cosmos__database_name",
            "extra__azure_cosmos__collection_name",
        ]
        if get_provider_min_airflow_version("apache-airflow-providers-microsoft-azure") >= (2, 5):
            raise Exception(
                "You must now remove `_ensure_prefixes` from azure utils."
                " The functionality is now taken care of by providers manager."
            )
